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    FLUE GAS PURIFYING DEVICE
    1.
    发明申请
    FLUE GAS PURIFYING DEVICE 审中-公开
    燃气净化装置

    公开(公告)号：US20110252771A1

    公开(公告)日：2011-10-20

    申请号：US13133588

    申请日：2009-12-08

    申请人： Takashi Fujinaga ,  Masazumi Tanoura ,  Daishi Ueno ,  Yasushi Mitsuyama

    发明人： Takashi Fujinaga ,  Masazumi Tanoura ,  Daishi Ueno ,  Yasushi Mitsuyama

    IPC分类号： F01N3/10 ,  F01N11/00

    CPC分类号： F01N3/208 ,  B01D53/90 ,  B01D53/9477 ,  B01D53/9495 ,  B01D2251/2067 ,  B01D2255/1021 ,  B01D2255/20723 ,  B01D2255/50 ,  F01N13/0093 ,  F01N2560/021 ,  F01N2610/02 ,  Y02T10/24

    摘要： An object of the present invention is to provide a flue gas purifying device that can suppress leakage of ammonia and can efficiently decrease nitrogen oxides in flue gas. The object is achieved by including: an exhaust pipe that guides flue gas discharged from an internal combustion engine; a urea-water injecting unit that injects urea water into the exhaust pipe; a catalyst unit that includes a urea SCR catalyst that promotes a reaction between ammonia produced from injected urea water and nitrogen oxides and a support mechanism arranged inside of the exhaust pipe on a downstream side to a position where urea water is injected in a flow direction of the flue gas to support the urea SCR catalyst; an ammonia-concentration measuring unit that measures an ammonia concentration in flue gas at a measurement position in a region where the SCR catalyst is arranged; and an injection control unit that controls injection of urea water based on a measurement result acquired by the ammonia-concentration measuring unit.

    摘要翻译： 本发明的目的是提供一种能够抑制氨的泄漏并能够有效地降低烟道气中的氮氧化物的烟道气净化装置。 该目的通过包括：引导从内燃机排出的烟气的排气管; 尿素水喷射单元，其将尿素水喷射到排气管中; 催化剂单元，其包括促进由注入的尿素水和氮氧化物产生的氨之间的反应的尿素SCR催化剂和在排气管的下游侧的排气管的内部的尿素水沿着流动方向喷射的位置的支撑机构 烟气支持尿素SCR催化剂; 测定在SCR催化剂的区域的测定位置的烟气中的氨浓度的氨浓度测定单元， 以及喷射控制单元，其基于由氨浓度测量单元获取的测量结果来控制尿素水的喷射。

    FLUE GAS PURIFYING DEVICE
    2.
    发明申请
    FLUE GAS PURIFYING DEVICE 审中-公开
    燃气净化装置

    公开(公告)号：US20120047879A1

    公开(公告)日：2012-03-01

    申请号：US13147135

    申请日：2010-01-27

    申请人： Yuuko Ujihara ,  Masazumi Tanoura ,  Kenji Muta ,  Minoru Danno ,  Masatoshi Katsuki ,  Daishi Ueno ,  Takashi Fujinaga ,  Eiji Kato ,  Shinichiro Asami ,  Tadashi Aoki

    发明人： Yuuko Ujihara ,  Masazumi Tanoura ,  Kenji Muta ,  Minoru Danno ,  Masatoshi Katsuki ,  Daishi Ueno ,  Takashi Fujinaga ,  Eiji Kato ,  Shinichiro Asami ,  Tadashi Aoki

    IPC分类号： F01N3/10

    CPC分类号： B01D53/9409 ,  B01D2251/2062 ,  B01D2255/91 ,  B01D2258/012 ,  F01N3/0821 ,  F01N3/208 ,  F01N2560/021 ,  F01N2610/02 ,  F01N2610/14 ,  Y02T10/24

    摘要： A flue gas purifying device includes an exhaust pipe that guides flue gas discharged from an internal combustion engine; a catalytic unit that is arranged on a downstream side to the internal combustion engine in a flow direction of flue gas and includes a nitrogen-oxide storage-reduction catalyst that stores nitrogen oxides contained in flue gas and a support mechanism that is arranged in the exhaust pipe and supports the nitrogen-oxide storage-reduction catalyst in the exhaust pipe; a reducing-agent injecting unit that injects a reducing agent to the catalytic unit in the exhaust pipe; a concentration measuring unit that is arranged on a downstream side to the catalytic unit in the flow direction of flue gas and measures a concentration of nitrogen oxides in flue gas having passed through the nitrogen-oxide storage-reduction catalyst; and a control unit that controls whether to inject the reducing agent from the reducing-agent injecting unit based on a concentration of nitrogen oxides measured by the concentration measuring unit.

    摘要翻译： 一种烟道气净化装置，具备引导从内燃机排出的烟气的排气管， 催化单元，其布置在烟道气的流动方向的内燃机的下游侧，并且包括存储在烟道气中的氮氧化物的氮氧化物储存还原催化剂和布置在排气中的支撑机构 并在排气管中支撑氮氧化物储存还原催化剂; 还原剂注入单元，其将排气管中的催化单元注入还原剂; 浓度测量单元，其布置在烟道气流动方向上的催化单元的下游侧，并测量通过氮氧化物储存还原催化剂的烟道气中的氮氧化物的浓度; 以及控制单元，其基于由浓度测量单元测量的氮氧化物的浓度来控制是否从还原剂注入单元注入还原剂。

    FLUE GAS PURIFYING DEVICE
    4.
    发明申请
    FLUE GAS PURIFYING DEVICE 有权
    燃气净化装置

    公开(公告)号：US20110293483A1

    公开(公告)日：2011-12-01

    申请号：US13147109

    申请日：2010-01-27

    申请人： Masazumi Tanoura ,  Kenji Muta ,  Minoru Danno ,  Masatoshi Katsuki ,  Yuuko Ujihara ,  Daishi Ueno ,  Takashi Fujinaga ,  Eiji Kato ,  Shinichiro Asami ,  Tadashi Aoki ,  Kageharu Moriyama

    发明人： Masazumi Tanoura ,  Kenji Muta ,  Minoru Danno ,  Masatoshi Katsuki ,  Yuuko Ujihara ,  Daishi Ueno ,  Takashi Fujinaga ,  Eiji Kato ,  Shinichiro Asami ,  Tadashi Aoki ,  Kageharu Moriyama

    IPC分类号： B01D53/56

    CPC分类号： F01N3/208 ,  B01D53/9431 ,  B01D2251/2067 ,  B01D2258/012 ,  F01N3/0821 ,  F01N3/2066 ,  F01N9/00 ,  F01N2560/021 ,  F01N2560/14 ,  F01N2610/02 ,  F01N2610/14 ,  Y02T10/24 ,  Y02T10/47

    摘要： An object of the present invention is to provide a flue gas purifying device that can efficiently decrease nitrogen oxides in flue gas. This object is solved by including: an exhaust pipe that guides flue gas discharged from a burning appliance; a urea-water injecting unit that injects urea water into the exhaust pipe; a catalytic unit arranged on a downstream side to a position where urea water is injected in a flow direction of flue gas and having a urea SCR catalyst; a first ammonia-concentration measuring unit that measures a concentration of ammonia in flue gas at a measurement position in a region where the catalytic unit is arranged; a second ammonia-concentration measuring unit arranged on a downstream side to the catalytic unit in a flow direction of the flue gas, to measure a concentration of ammonia in the flue gas having passed through the urea SCR catalyst; and a control unit that controls injection of urea water by the urea-water injecting unit based on measurement results acquired by the first and second ammonia-concentration measuring units.

    摘要翻译： 本发明的目的是提供一种能够有效地减少烟道气中的氮氧化物的烟道气净化装置。 该目的通过包括：引导从燃烧器具排出的烟道气的排气管来解决; 尿素水喷射单元，其将尿素水喷射到排气管中; 催化单元，其布置在下游侧到尿素水沿着烟道气的流动方向注入并具有尿素SCR催化剂的位置; 第一氨浓度测量单元，其测量在排列催化单元的区域中的测量位置的烟道气中的氨浓度; 第二氨浓度测量单元，其布置在烟道气流动方向上的催化单元的下游侧，以测量通过尿素SCR催化剂的烟道气中的氨浓度; 以及控制单元，其基于由所述第一和第二氨浓度测量单元获取的测量结果来控制由所述尿素水喷射单元喷射的尿素水。